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Travel, Maps & Coordinates

GeoJSON Viewer.

Coordinates, GeoJSON and preview data remain in this browser. Validate and render supplied GeoJSON locally on an offline-capable map canvas. Uses explicit geospatial assumptions and independent local verification.

Use GeoJSON Viewer

Private in this browser. Coordinates and GeoJSON stay in this browser.

Tool options
Preparing the local tool…

How it works

  1. 01

    Enter coordinates or bounded GeoJSON.

  2. 02

    Run the local calculation, validation or preview.

  3. 03

    Review datum, order, precision and accuracy limits.

Frequently asked questions

Is this suitable for navigation or surveying?

No. It is a bounded planning calculation using the stated model and precision.

Does GeoJSON Viewer upload my data?

GeoJSON Viewer runs locally in your browser. Coordinates and GeoJSON stay in this browser.

What output does GeoJSON Viewer create?

GeoJSON Viewer creates Json output after the result passes its local verification checks.

Great-circle Distance CalculatorCalculate shortest surface distance between coordinates using a selected Earth model. Uses explicit geospatial assumptions and independent local verification.Initial Bearing CalculatorCalculate initial and final bearings between two coordinates. Uses explicit geospatial assumptions and independent local verification.UTM Coordinate ConverterConvert supported WGS84 latitude/longitude and UTM coordinates locally. Uses explicit geospatial assumptions and independent local verification.
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